Error when converting document: The Leadtools.Codecs.Ica.dll library is missing

            string licenseFilePath = "LEADTOOLS.LIC";
            string developerKey = System.IO.File.ReadAllText("LEADTOOLS.LIC.KEY");
            RasterSupport.SetLicense(licenseFilePath, developerKey);

            var path = fileInfo.FullName;
            var newPath = @"C:\tmp\modca-pdf\" + serialNumber + ".pdf";
            var newFileInfo = new FileInfo(newPath);

            var converter = new DocumentConverter();
            var rasterCodecs = new RasterCodecs();
            rasterCodecs.Options = DocumentFactory.RasterCodecsTemplate.Options.Clone();
            DocumentFactory.RasterCodecsTemplate = rasterCodecs;
            var documentWriter = new DocumentWriter();
            converter.SetDocumentWriterInstance(documentWriter);
            converter.LoadDocumentOptions = new LoadDocumentOptions();
            converter.Options.JobErrorMode = DocumentConverterJobErrorMode.Continue;
            converter.Options.EnableSvgConversion = true;
            converter.Options.SvgImagesRecognitionMode = DocumentConverterSvgImagesRecognitionMode.Disabled;
            converter.Options.UseThreads = true;
            converter.Diagnostics.EnableTrace = true;

            var jobData = new DocumentConverterJobData
            {
                InputDocumentFileName = path,
                //Document = document,
                InputDocumentFirstPageNumber = 1,
                InputDocumentLastPageNumber = -1,
                DocumentFormat = Leadtools.Document.Writer.DocumentFormat.Pdf,
                RasterImageFormat = RasterImageFormat.Unknown,
                RasterImageBitsPerPixel = 24,
                OutputDocumentFileName = newPath,
                //AnnotationsMode = OutputAnnotationsMode.None,
                //OutputAnnotationsFileName = this.OutputAnnotationsFileName,
                JobName = "blah",
                UserData = null,
            };

            //jobData.InputAnnotationsFileName = this.InputAnnotationsFileName;

            var job = converter.Jobs.CreateJob(jobData);
            converter.Jobs.RunJob(job);
            foreach (var error in job.Errors)
            {
                _log.Error(error.Error, "Conversion error");
            }